Home / 19,782.63-27,299.01-10,828.44

Finding the Fourth Proportional to 19,782.63, 27,299.01 and 10,828.44

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Solution

The fourth proportional to 19,782.63, 27,299.01 and 10,828.44 is: 14,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.63 : 27,299.01 = 10,828.44 : x
  2. Step 2: Convert to fraction form
    19,782.63/27,299.01 = 10,828.44/x
  3. Step 3: Cross multiply
    19,782.63x = 27,299.01 × 10,828.44
  4. Step 4: Simplify right side
    19,782.63x = 295,605,691.84
  5. Step 5: Solve for x
    x = 295,605,691.84/19,782.63
  6. Step 6: Final answer
    x = 14,942.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.